diff --git a/pirates/package.json b/pirates/package.json
index 97e4713e..c2ae9506 100644
--- a/pirates/package.json
+++ b/pirates/package.json
@@ -49,7 +49,8 @@
     "prettier": "^1.16.4",
     "rewire": "^4.0.1",
     "rimraf": "^2.6.1",
-    "semantic-release": "^15.7.0"
+    "semantic-release": "^15.7.0",
+    "yarn": "*"
   },
   "license": "MIT",
   "bugs": {